Form 8.3 - Gresham House plc
FORM 8.3 PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE Rule 8.3 of the Takeover Code (the “Code”) 1. KEY INFORMATION (a) Full name of discloser: Magnetar Capital Partners LP(b) Owner or controller of interests and shortpositions disclosed, if different from 1(a): The naming of nominee or vehicle companies isinsufficient. For a trust, the trustee(s),settlor and beneficiaries must be named.(c) Name of offeror/offeree in relation to whose GRESHAM HOUSE